4-Aminoquinazolin-2-ol

Modify Date: 2026-06-30 21:13:10

4-Aminoquinazolin-2-ol Structure
4-Aminoquinazolin-2-ol structure
Common Name 4-Aminoquinazolin-2-ol
CAS Number 50440-88-5 Molecular Weight 161.161
Density 1.5±0.1 g/cm3 Boiling Point 489.6±37.0 °C at 760 mmHg
Molecular Formula C8H7N3O Melting Point N/A
MSDS N/A Flash Point 249.9±26.5 °C

 Names

Name 4-amino-1H-quinazolin-2-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 489.6±37.0 °C at 760 mmHg
Molecular Formula C8H7N3O
Molecular Weight 161.161
Flash Point 249.9±26.5 °C
Exact Mass 161.058914
PSA 72.03000
LogP -0.27
Vapour Pressure 0.0±1.3 mmHg at 25°C
Index of Refraction 1.779
InChIKey NXBWFXMEJVOABP-UHFFFAOYSA-N
SMILES C1=CC=C2C(=C1)C(=NC(=O)N2)N

 Safety Information

HS Code 2933990090

 Precursor & DownStream

Precursor  1

DownStream  0

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 4-Aminoquinazolin-2-olBioassay

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Name: Concentration required for inhibition of rat liver dihydrofolate reductase (DHFR)
Source: ChEMBL
Target: Dihydrofolate reductase
External Id: CHEMBL666238
Name: Inhibition of liver dihydrofolate reductase (unknown origin)
Source: ChEMBL
Target: Dihydrofolate reductase
External Id: CHEMBL3280748
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 Synonyms

4-amino-2-quinazolinol
4-Amino-2-hydroxy-chinazolin
4-Amino-2(1H)-quinazolinone
4-Amino-2(3H)-Quinazolinone
4-Aminoquinazolin-2-ol
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